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Issue 19, 2014
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In situ precipitation of amorphous and crystalline calcium sulphates in cellulose thin films

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Abstract

A novel method for the in situ precipitation of calcium sulphates within spin coated cellulose thin films is described. A key feature of the approach is the use of N-methylmorpholine N-oxide (NMMO) not only to dissolve fibrous cellulose but also to stabilize nanoparticles of amorphous calcium sulphate prior to regeneration of the polysaccharide matrix and formation of a thin composite film. Integration of the biopolymer film with amorphous or crystalline (bassanite, gypsum) calcium sulphate phases is influenced by the rate of NMMO hydration, providing a route to composite materials with stable or reactive inorganic materials that might find uses in diverse applications.

Graphical abstract: In situ precipitation of amorphous and crystalline calcium sulphates in cellulose thin films

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Supplementary files

Article information


Submitted
29 Jan 2014
Accepted
18 Mar 2014
First published
31 Mar 2014

CrystEngComm, 2014,16, 3843-3847
Article type
Communication
Author version available

In situ precipitation of amorphous and crystalline calcium sulphates in cellulose thin films

T. Nissinen, M. Li, S. A. Davis and S. Mann, CrystEngComm, 2014, 16, 3843
DOI: 10.1039/C4CE00228H

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